Ping Pong was my favorite activity. We also have something called Project adventure. They are physical puzzles, like you must cross the gym as a group using a rope, and can't touch the ground. You all start on a mat, the rope does not. Project adventure is the best PE unit ever.

Also we had scooters which were square boards on wheels. Any sport is better when played on scooters. We had scooter soccer (football for non Americans) scooter Basketball, scooter handball etc. Scooter Soccer also has a comically oversized ball sometimes, just because the teacher felt like it.